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authorboochow2018-12-01 09:26:04 +0900
committerDamien George2018-12-06 13:32:43 +1100
commit1a8baad7ca434709573f782349ce12e11623c131 (patch)
treefdb3089eed35fee83625260c78e8ef42c788448c /ports/stm32/boards/stm32l432.ld
parent52bec93755e70dc2f5bea00377190b2278954c78 (diff)
stm32/boards: Add STM32L432KC chip configuration files.
The pin alternate function information is derived from ST's datasheet https://www.st.com/resource/en/datasheet/stm32l432kc.pdf In the datasheet, the line 2 of AF4 includes I2C2 but actually the chip does not have I2C2 so it is removed.
Diffstat (limited to 'ports/stm32/boards/stm32l432.ld')
-rw-r--r--ports/stm32/boards/stm32l432.ld27
1 files changed, 27 insertions, 0 deletions
diff --git a/ports/stm32/boards/stm32l432.ld b/ports/stm32/boards/stm32l432.ld
new file mode 100644
index 000000000..70956c95b
--- /dev/null
+++ b/ports/stm32/boards/stm32l432.ld
@@ -0,0 +1,27 @@
+/*
+ GNU linker script for STM32L432KC
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K
+ FLASH_TEXT (rx) : ORIGIN = 0x08000000, LENGTH = 256K
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 48K
+ SRAM2 (xrw) : ORIGIN = 0x10000000, LENGTH = 16K
+}
+
+/* produce a link error if there is not this amount of RAM for these sections */
+_minimum_stack_size = 2K;
+_minimum_heap_size = 16K;
+
+/* Define the top end of the stack. The stack is full descending so begins just
+ above last byte of RAM. Note that EABI requires the stack to be 8-byte
+ aligned for a call. */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+/* RAM extents for the garbage collector */
+_ram_start = ORIGIN(RAM);
+_ram_end = ORIGIN(RAM) + LENGTH(RAM);
+_heap_start = _ebss; /* heap starts just after statically allocated memory */
+_heap_end = 0x2000A800; /* room for a 6k stack */